/* Wait for a subprocess to finish, twice.
   The first call must wait in the usual way and return the exit code.
   The second wait call must return -1 immediately. */

#include <syscall.h>
#include "tests/lib.h"
#include "tests/main.h"

void test_main(void)
{
  int child = exec("child-simple");
  msg("wait(exec()) = %d", wait(child));
  msg("wait(exec()) = %d", wait(child));
}
